Problem in AWGN command
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I have two matrices A and xx.. The dimension of the matrix A is 9 x 3 complex double and that of xx is 3 x 500 complex double. The product of A and xx is X1 whose dimesnion is 9 x 500 complex double.
Now I want to generate a noise matrix of the same dimension i.e., 9 x 500 complex double using the command awgn() and add to X1. How can we generate this noise?